122401553020501 has 24 divisors (see below), whose sum is σ = 129568195036320. Its totient is φ = 115613935174944.

The previous prime is 122401553020477. The next prime is 122401553020511. The reversal of 122401553020501 is 105020355104221.

It is not a de Polignac number, because 122401553020501 - 2⁵ = 122401553020469 is a prime.

It is a super-3 number, since 3×122401553020501³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122401553020511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163421806 + ... + 164169088.

It is an arithmetic number, because the mean of its divisors is an integer number (5398674793180).

Almost surely, 2^{122401553020501} is an apocalyptic number.

It is an amenable number.

122401553020501 is a deficient number, since it is larger than the sum of its proper divisors (7166642015819).

122401553020501 is an equidigital number, since it uses as much as digits as its factorization.

122401553020501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748673 (or 748654 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 122401553020501 in words is "one hundred twenty-two trillion, four hundred one billion, five hundred fifty-three million, twenty thousand, five hundred one".